Event: Calderdale League 2024-25

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Opponent Rating Result
Steve Harrington 1637 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1237 = (1637 + 400 * (0 - 1)) / 1)

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Opponent Rating Result
Les Johnson 1625 0 - 1
Colin Frank 1600 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1613 = (3225 + 400 * (1 - 1)) / 2)